son to the us of a. welcome home, son. >> reporter: huge crowds are no surprise to any one who knows joel and the impact he has on everyone he meets. >> there is no finer example of courage and commitment and self-less service and dedication. he has got an unbelievable spirit. he has got a smile on his face. he loves life. >> when you see people like joel and what they have gone through, i mean it is -- i mean how can you not want to do whatever you possibly can to help them get back on their feet. >> i guess last time he saw me i was on a bed and laid up and not doing anything with my life. >> he is sharp. articulate. he is funny. and god bless him, he just got banged up bad on the outside but the inside he is still the same guy. >> earlier i was referenced as to a hero. i don't really look at it that way. i signed up to do my job. i got hurt are. i managed to survive. >> you are! you are! [ applause ] >> i have known that man for a year and a half and i never one time heard him complain about anything.